Re: [Qemu-devel] [PATCH 1/4] target/arm: Fix sign of sve_cmpeq_ppzw/sve_cmpne_ppzw

2018-08-01 Thread Laurent Desnogues
On Wed, Aug 1, 2018 at 2:31 PM, Richard Henderson
 wrote:
> The normal vector element is sign-extended before
> comparing with the wide vector element.
>
> Reported-by: Laurent Desnogues 
> Signed-off-by: Richard Henderson 

Reviewed-by: Laurent Desnogues 
Tested-by: Laurent Desnogues 


Laurent

> ---
>  target/arm/sve_helper.c | 12 ++--
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
> index 54795c9194..9bd0694d55 100644
> --- a/target/arm/sve_helper.c
> +++ b/target/arm/sve_helper.c
> @@ -2436,13 +2436,13 @@ uint32_t HELPER(NAME)(void *vd, void *vn, void *vm, 
> void *vg, uint32_t desc) \
>  #define DO_CMP_PPZW_S(NAME, TYPE, TYPEW, OP) \
>  DO_CMP_PPZW(NAME, TYPE, TYPEW, OP, H1_4, 0xull)
>
> -DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, uint8_t,  uint64_t, ==)
> -DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, uint16_t, uint64_t, ==)
> -DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, uint32_t, uint64_t, ==)
> +DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, int8_t,  uint64_t, ==)
> +DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, int16_t, uint64_t, ==)
> +DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, int32_t, uint64_t, ==)
>
> -DO_CMP_PPZW_B(sve_cmpne_ppzw_b, uint8_t,  uint64_t, !=)
> -DO_CMP_PPZW_H(sve_cmpne_ppzw_h, uint16_t, uint64_t, !=)
> -DO_CMP_PPZW_S(sve_cmpne_ppzw_s, uint32_t, uint64_t, !=)
> +DO_CMP_PPZW_B(sve_cmpne_ppzw_b, int8_t,  uint64_t, !=)
> +DO_CMP_PPZW_H(sve_cmpne_ppzw_h, int16_t, uint64_t, !=)
> +DO_CMP_PPZW_S(sve_cmpne_ppzw_s, int32_t, uint64_t, !=)
>
>  DO_CMP_PPZW_B(sve_cmpgt_ppzw_b, int8_t,   int64_t, >)
>  DO_CMP_PPZW_H(sve_cmpgt_ppzw_h, int16_t,  int64_t, >)
> --
> 2.17.1
>



[Qemu-devel] [PATCH 1/4] target/arm: Fix sign of sve_cmpeq_ppzw/sve_cmpne_ppzw

2018-08-01 Thread Richard Henderson
The normal vector element is sign-extended before
comparing with the wide vector element.

Reported-by: Laurent Desnogues 
Signed-off-by: Richard Henderson 
---
 target/arm/sve_helper.c | 12 ++--
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 54795c9194..9bd0694d55 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -2436,13 +2436,13 @@ uint32_t HELPER(NAME)(void *vd, void *vn, void *vm, 
void *vg, uint32_t desc) \
 #define DO_CMP_PPZW_S(NAME, TYPE, TYPEW, OP) \
 DO_CMP_PPZW(NAME, TYPE, TYPEW, OP, H1_4, 0xull)
 
-DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, uint8_t,  uint64_t, ==)
-DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, uint16_t, uint64_t, ==)
-DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, uint32_t, uint64_t, ==)
+DO_CMP_PPZW_B(sve_cmpeq_ppzw_b, int8_t,  uint64_t, ==)
+DO_CMP_PPZW_H(sve_cmpeq_ppzw_h, int16_t, uint64_t, ==)
+DO_CMP_PPZW_S(sve_cmpeq_ppzw_s, int32_t, uint64_t, ==)
 
-DO_CMP_PPZW_B(sve_cmpne_ppzw_b, uint8_t,  uint64_t, !=)
-DO_CMP_PPZW_H(sve_cmpne_ppzw_h, uint16_t, uint64_t, !=)
-DO_CMP_PPZW_S(sve_cmpne_ppzw_s, uint32_t, uint64_t, !=)
+DO_CMP_PPZW_B(sve_cmpne_ppzw_b, int8_t,  uint64_t, !=)
+DO_CMP_PPZW_H(sve_cmpne_ppzw_h, int16_t, uint64_t, !=)
+DO_CMP_PPZW_S(sve_cmpne_ppzw_s, int32_t, uint64_t, !=)
 
 DO_CMP_PPZW_B(sve_cmpgt_ppzw_b, int8_t,   int64_t, >)
 DO_CMP_PPZW_H(sve_cmpgt_ppzw_h, int16_t,  int64_t, >)
-- 
2.17.1